Description
Galvanised Backing Rings PN10/16
Description
Hot dip galvanised mild steel backing rings manufactured to PN10/16 pattern.
Sizing
The number and diameter of holes together with the PCD determines the backing ring size and pattern. The PCD (Pitch Circle Diameter) is the measurement from the centre of one bolt hole, across the centre of the backing ring, to the centre of the opposite hole.
PVC Stub flanges may require slightly differnt sizing. Please ask for more information
The table below details the specification for both imperial and metric PN10/16. We can also supply Table D/E if required.
|
Ring Size |
o.d. mm |
PCD mm |
Bolt Holes |
Bolt Hole Dia mm |
Bolt Dia mm |
| 1/2"/20mm | 95 | 65 | 4 | 14 | M12 |
| 3/4"/25mm | 105 | 75 | 4 | 14 | M12 |
| 1"/32mm | 115 | 85 | 4 | 14 | M12 |
| 1 1/4"/40mm | 140 | 100 | 4 | 18 | M16 |
| 1 1/2"/50mm | 150 | 110 | 4 | 18 | M16 |
| 2"/63mm | 165 | 125 | 4 | 18 | M16 |
| 2 1/2"/75mm | 185 | 145 | 4 | 18 | M16 |
| 3"/90mm | 200 | 160 | 8 | 18 | M16 |
| 4"/110mm | 220 | 180 | 8 | 18 | M16 |
| 6"/160mm | 285 | 240 | 8 | 22 | M20 |
| 8"/200mm PN16 | 340 | 295 | 12 | 22 | M20 |
| 10"/250mm PN16 | 405 | 355 | 12 | 26 | M24 |